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Biology / Biochemistry

This category contains 9 posts

Bugs in the basement? Here’s why

A new study of arthropods in 50 U.S. homes suggests that their diversity is influenced more by access to the outdoors than the behavior of human residents.

Five unusual toxic animals and their chemical weapons

We are all familiar with Earth’s most toxic inhabitants, including the black widow and cobra. This article, however, explores our lesser-known poisonous and venomous residents.

Capacity to regenerate body parts may be the primitive state for all 4-legged vertebrates

A team of paleontologists of the Museum für Naturkunde Berlin, the State University of New York at Oswego and Brown University shows in a new study of fossil amphibians that the extraordinary…

Our bond with dogs may go back more than 27,000 years

Dogs’ special relationship to humans may go back 27,000 to 40,000 years, according to genomic analysis of an ancient Taimyr wolf bone reported in the Cell Press journal Current Biology.

Giant otter’s repertoire includes 22 distinct vocalizations

Giant otter, credit: Christina MummGiant otters may have a vocal repertoire with 22 distinct vocalization types produced by adults and 11 neonate vocalization types, according to a study published…

Dolphin ‘breathalyzer’ could help diagnose animal and ocean health

Alcohol consumption isn’t the only thing a breath analysis can reveal. Scientists have been studying its possible use for diagnosing a wide range of conditions in humans – and now in the beloved…

Plan to delist gray wolf endangers other threatened species, researchers find

The federal government’s proposal to discontinue protection for the gray wolf across the United States could have the unintended consequence of endangering other species, researchers say.As written, scientists assert, the proposed rule would set a prec…

Luminous Bacteria Control Clock Genes In Host’s Body

Another new study takes a further step toward revealing the pervasive influence microbial communities that inhabit plants and animals have on their biology. Scientists in the US have discovered that the luminous bacterium Vibrio fischeri regulates t…

New Website Is Hub Of Educational Information On Changing Landscape Of Scientific, Ethical, And Policy Issues On Animal Research

The scientific and ethical debate over the use of animals in medical research has raged for years, but perspectives are shifting, viewpoints are becoming more nuanced, and new initiatives are seeking alternatives to animal testing, according to a speci…

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